Consolidated Balance Sheets (Current Period Unaudited) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Jun. 30, 2013
ASSETS
Cash	$ 21,148	$ 19,755
Short-term investments	8,174	7,657
Accounts receivable (less allowance for doubtful accounts of $681 and $697, respectively)	33,980	37,875
Inventories	58,191	56,501
Current deferred income tax asset	4,776	4,978
Prepaid expenses and other current assets	8,279	7,182
Total current assets	134,548	133,948
Property, plant and equipment, net	50,642	51,200
Taxes receivable	3,770	3,770
Deferred tax asset, net	28,114	28,274
Intangible assets, net	7,986	8,222
Goodwill	3,034	3,034
Other assets	2,434	2,346
Total assets	230,528	230,794
Current liabilities:
Notes payable and current maturities	1,534	1,557
Accounts payable and accrued expenses	16,538	17,084
Accrued compensation	5,483	5,304
Total current liabilities	23,555	23,945
Long-term debt net of current portion	22,372	24,252
Other tax obligations	10,504	10,514
Deferred tax liabilities	2,182	2,182
Postretirement benefit and pension obligations	43,532	42,386
Other non-current liability		773
Total liabilities	102,145	104,052
Additional paid-in capital	53,481	52,613
Retained earnings	91,303	91,778
Accumulated other comprehensive loss	(23,316)	(24,476)
Total stockholders' equity	128,383	126,742
Total liabilities and stockholders’ equity	230,528	230,794
Common Class A [Member]
Current liabilities:
Common Stock	6,099	6,077
Common Class B [Member]
Current liabilities:
Common Stock	$ 816	$ 750